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<article>
<h2>IDL mode</h2>

    <div><textarea id="code" name="code">
;; Example IDL code
FUNCTION mean_and_stddev,array
  ;; This program reads in an array of numbers
  ;; and returns a structure containing the
  ;; average and standard deviation

  ave = 0.0
  count = 0.0

  for i=0,N_ELEMENTS(array)-1 do begin
      ave = ave + array[i]
      count = count + 1
  endfor
  
  ave = ave/count

  std = stddev(array)  

  return, {average:ave,std:std}

END

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